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10 MCQs from screening tests and PG entrance exams like AIPGMEE. USMLE, FMGE will be posted between 10pm to 12am IST on alternate days. Answers with explanations will be posted before next set of MCQs. Post your answers as comments.

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Saturday, April 7, 2012

20. Which one of the following acts by increasing cAMP/adenylate cyclase


  1. Vibrio cholerae
  2. Staph. aureus
  3. E. coli Heat Stable Toxin
  4. Salmonella
Answer: Vibrio cholerae



19. All are true regarding Chlamydiae Psitacci except


  1. Transmitted by parrots
  2. Causes community acquired pneumonia
  3. Tetracycline is the treatment of choice
  4. Causes inclusion conjunctivitis
Answer: Causes inclusion conjunctivitis



18. During replication of the DNA, which one of the following enzymes polymerizes Okazaki fragments


  1. DNA Polymerase I
  2. DNA Polymerase II
  3. DNA Polymerase III
  4. RNA Polymerase
Answer: DNA Polymerase I



17. Mitochondrial DNA is


  1. Closed Circular
  2. Nicked Circular
  3. Linear
  4. Open Circular
Answer: Closed Circular


16. The following is a component of pentalogy of fallot


  1. ASD
  2. PDA
  3. COA
  4. LVH
Answer: ASD


15. Most accurate measurement of extracellular fluid volume (ECF) can be done by using


  1. Mannitol
  2. Inulin
  3. Sucrose
  4. Aminopyrine
Answer: Inulin


14. Which one of the following is transmitted by Soft tick ?


  1. Tick Typhus
  2. Tularemia
  3. Colorado Tick Fever
  4. Relapsing Tick Fever
Answer: Relapsing Fever


13. The epithelium in the ureter is


  1. Squamous
  2. Columnar
  3. Transitional
  4. Cuboidal
Answer: Transitional


12. Basement membrane has type…. Collagen


  1. I
  2. II
  3. III
  4. IV
Answer: Type IV